Now, sometimes, individuals might have an atrial septal defect, a small opening between the right and left atrium.

同时，某些人患有缺损，即右心与左心之有一个小缺口。

Atrial septal defect is a defect within the upper two chambers of the heart.

- 缺损是心脏上部两腔内缺损。

Atrial septal defect, but you feel it's an emergency?

- 缺损，但您觉得这是紧急情况？

Small ASDs do not cause any symptoms and may not require treatment.

很小缺损不任何症状，不需要治疗。

Large atrial septal defects that cause clinically significant symptoms usually require surgical closure.

大型缺损导致有临床意义症状，通常需要手术封闭。

In ASD patients, this septum is defective allowing blood flow between the two chambers.

ASD患者是有缺损，血液可以在两个心内流动。

Fortunately, this complication, called the Eisenmenger syndrome, usually develops over many years and occurs only in a small percentage of people with large atrial septal defects.

幸运是，该并发症，被称为艾森曼格综合征，通常需要很多年，而且仅在少部分有大缺损人群中出现。